Results 111 to 120 of about 1,299,133 (276)

Microgels Enable iPSCs to Assemble, Expand, and Differentiate Into Organoids—From Sizable to High‐Throughput

open access: yesAdvanced Materials, EarlyView.
A chemically defined PEG‐based microgel platform enables scalable, reproducible production of three‐dimensional microgel‐iPSC constructs in multiple sizes. The system is compatible with high‐throughput automation and supports human iPSC expansion and differentiation within a single construct, including directed differentiation into cardiac organoids ...
Laura Klasen   +8 more
wiley   +1 more source

Programmable Carrier‐Free All‐Enzyme Beads for Modular Continuous‐Flow Biocatalysis

open access: yesAdvanced Materials, EarlyView.
Genetically encoded enzyme building blocks self‐assemble into monodisperse, carrier‐free protein beads via a droplet‐based formulation strategy. These programmable catalytic particles enable modular continuous‐flow biocatalysis, from single‐enzyme reactions to multi‐enzyme cascades and bead–bead coupled reactor systems.
Jennifer Kühne   +12 more
wiley   +1 more source

Semi-analytic solution to planar Helmholtz equation

open access: yesApplied and Computational Mechanics, 2013
Acoustic solution of interior domains is of great interest. Solving acoustic pressure fields faster with lower computational requirements is demanded.
Tukač M., Vampola T.
doaj  

An inverse problem for Helmholtz's equation II

open access: yesInverse Problems, 1987
[For part I see ibid. 3, L 19-L 22 (1987; Zbl 0619.35109).] A method is given for recovery of n(z) and h(k) in \[ [\nabla^ 2+k^ 2n(z)]u=-\delta (x)h(k)\quad in\quad R^ 3 \] from the surface data.
openaire   +2 more sources

Using a Zero‐Strain Reference Electrode to Distinguish Anode and Cathode Volume Changes in a Solid‐State Battery

open access: yesAdvanced Materials Interfaces, EarlyView.
Volume changes of a solid‐state battery cell are separated into the individual contributions of anode and cathode. Simultaneously determining the “reaction volumes” of both electrodes requires a reference electrode with a pressure‐independent potential.
Mervyn Soans   +5 more
wiley   +1 more source

Efficient Sunlight Degradation of Wide‐Spectrum Antibiotics Through Enhanced Charge Separation in SnTCPP NPs‐Nb2C Schottky Heterojunction: Ultrafast Carrier Dynamic Study

open access: yesAdvanced Materials Interfaces, EarlyView.
Due to enhanced charge transfer and carrier mobility on the surface, the SnTCPP NPs‐Nb2C Schottky heterojunctions demonstrate exceptional sunlight‐driven catalytic activity toward tetracycline antibiotics and ofloxacin degradation, achieving a removal efficiency of up to 99.9% within 60 min of irradiation, both in model wastewater and natural water ...
Juanxuan Guo   +5 more
wiley   +1 more source

An efficient and accurate modified Adomian decomposition method for solving the Helmholtz equation with high-wavenumber [PDF]

open access: yesSurveys in Mathematics and its Applications
This paper presents a modified Adomian decomposition method (MADM) for solving the one and two-dimensional Helmholtz equation with large wavenumbers. The standard Adomian decomposition method (ADM) suffers from severe divergence issues as the wavenumber ...
Saleem Nasser Alomari   +1 more
doaj  

Numerical method for a Cauchy problem for multi-dimensional Helmholtz equation

open access: yesApplied Mathematics in Science and Engineering
The main focus of this research is to address the Cauchy problem of the multi-dimensional Helmholtz equation with mixed boundary conditions. This problem is known to be ill-posed according to Hadamard's definition.
Xianli Lv, Xiufang Feng
doaj   +1 more source

Gate‐Induced Critical Current Modulation in W–C Nanowires: The Role of Fabrication

open access: yesAdvanced Materials Technologies, EarlyView.
Focused ion beam induced deposition (FIBID) enables precise control of superconducting W–C nanowire devices. Introducing a Ga+ focused ion beam (FIB) cleaning step reduces substrate damage and suppresses leakage currents, shifting gating thresholds to higher voltages.
Alba Arroyo‐Fructuoso   +2 more
wiley   +1 more source

Helmholtz operators on infinite graphs

open access: yesHeliyon
The Helmholtz equation in its simplest form is Δu(a)=−k2u(a). In this note, we study a generalized discrete version of this equation on an infinite graph, by using potential-theoretic methods.
Varadha Raj Manivannan   +1 more
doaj   +1 more source

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